| 摘要 |
PROBLEM TO BE SOLVED: To provide a seal structure of an endless track drive unit, which prevents entry of foreign matter such as mud.SOLUTION: A seal structure of an endless track drive unit 1 for blocking a clearance between a rotating casing 20 for driving an endless track zone of a vehicle and a fixed housing 10 comprises: an annular seal receiving groove 45 formed at the rotating casing 20; an annular slide face 46 formed at the fixed housing 10; a seal ring 50 received in the seal receiving groove 45; and an O-ring 42 (elastic member) received in the seal receiving groove 45 and pushing the seal ring 50 to the slide face 46. |
